Senior C# .NET Backend Developer @

7 days ago


Łódź, Łódź Voivodeship, Czech Republic Infospread Full time

To thrive in this role, we believe that you enjoy working in a small organisation where there are quick decision paths and where everyone takes pride in the product they develop. We also see that you are comfortable taking responsibility and initiatives connected to technical decisions and the products. Since we are a small organisation, you are used to a fast-paced environment where you have a lot of free reign but also enjoy working closely with your colleagues.

On top of this, we trust that you have at least 5 years of experience as a Backend Developer and:

  • Strong knowledge of C# and .NET Framework.
  • Experience working with Azure platform (Azure Functions, Azure Storage, Azure Queues).
  • Ability to manage cloud infrastructure (basic level).
  • Experience with relational databases (SQL Server).
  • Basic knowledge of AngularJS – ability to handle small issues in existing code.
  • Good understanding of version control systems (Git).
  • Ability to make key technical decisions on architecture, scalability, and performance.
  • Deep knowledge of security best practices (API security).
  • Teamwork skills and good communication.

It is a bonus if you have knowledge in building web applications in Java 8.

In addition to this, you can communicate fluently in both Polish and English, orally and in writing.

Are you interested in being a part of a product-oriented company? Would you like to contribute to well established solutions as well as being a part of a design team for new products and services? Then you've found the right place Here you get to see how your work makes a difference.

Infospread is a leading provider of innovative SaaS solutions designed to enhance the efficiency, reliability, and sustainability of public transport systems. Our cutting-edge technology empowers transit operators and authorities to optimize operations, improve passenger experience, and drive digital transformation in urban mobility.

We are an entrepreneurial company that has been active in the industry since 2005. In Łódź Poland we operate zBiletem mobile app which helps people travel easier in 60+ cities. We are now building new, international solutions to improve public transport operations and experience.

About the role

As a Backend developer at Infospread you will join the team that runs a product that is used by thousands of users already and you will be in its core, to scale it even more. You will be responsible for delivering clean, high-quality code, implementation of new technology, creating tests, debug and solve everyday challenges to provide user friendly, stable and scalable mobile & web apps and services. You will also take important role in designing new products for existing and new markets and product road map. You will be part of an international team of Infospread, with offices in Poland and Sweden, and you will contribute to company's different products and projects.

This is a hybrid position - which means that it is a big plus if you live close to Łódź so you can join us at the office a few days a week. However, if you live further away but feel like this is the perfect role for you - please feel free to apply anyway, and we'll see if we can make it work

About you

To thrive in this role, we believe that you enjoy working in a small organisation where there are quick decision paths and where everyone takes pride in the product they develop. We also see that you are comfortable taking responsibility and initiatives connected to technical decisions and the products. Since we are a small organisation, you are used to a fast-paced environment where you have a lot of free reign but also enjoy working closely with your colleagues.

On top of this, we trust that you have at least 5 years of experience as a Backend Developer and:

  • Strong knowledge of C# and .NET Framework.
  • Experience working with Azure platform (Azure Functions, Azure Storage, Azure Queues).
  • Ability to manage cloud infrastructure (basic level).
  • Experience with relational databases (SQL Server).
  • Basic knowledge of AngularJS – ability to handle small issues in existing code.
  • Good understanding of version control systems (Git).
  • Ability to make key technical decisions on architecture, scalability, and performance.
  • Deep knowledge of security best practices (API security).
  • Teamwork skills and good communication.

It is a bonus if you have knowledge in building web applications in Java 8.

In addition to this, you can communicate fluently in both Polish and English, orally and in writing.

What We Offer:

  • Salary range 15 000 - 19 000 PLN Gross. Multiple employment types available.
  • Opportunity to be part of an innovative, fast-growing company revolutionizing public transport.
  • Flexible working environment (remote/hybrid options available).
  • Professional growth and career advancement opportunities.
  • Supportive and collaborative company culture.

Do you want to know more?

If you are passionate about technology, urban mobility, and driving meaningful change in public transport and sustainability, we would love to hear from you Apply today and be a part of our journey toward smarter and more sustainable transportation solutions.

,[Delivering clean, high-quality code,, Implementation of new technology, Creating tests, Debug and solve everyday challenges to provide user friendly, Stable and scalable mobile & web apps and services, Designing new products for existing and new markets, Product road map] Requirements: .NET, Entity Framework, SQL, Git, AngularJS, JavaScript, HTML, Razor, CSS, WebApp, Azure Functions, Azure SQL, C#, Azure, Storage, Cloud, Relational database, SQL Server, Version control system, Java, Security, API, Web applications Tools: Confluence, Agile, Scrum, Kanban. Additionally: Private healthcare, Flat structure, International projects, Multisport card, Free coffee, Startup atmosphere, Mobile phone.

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